Earnings per Share (Tables)

9 Months Ended

Feb. 28, 2021

Earnings Per Share [Abstract]

Schedule of earnings per share [Table Text Block]

	Quarter Ended				Nine-Month Period Ended
In Millions, Except per Share Data	Feb. 28, 2021		Feb. 23, 2020		Feb. 28, 2021		Feb. 23, 2020
Net earnings attributable to General Mills	$	595.7	$	454.1	$	1,923.0	$	1,555.5
Average number of common shares - basic EPS		615.0		607.9		614.6		607.1
Incremental share effect from: (a)
Stock options		2.0		2.6		2.6		2.8
Restricted stock units and performance share units		2.4		2.3		2.4		2.2
Average number of common shares - diluted EPS		619.4		612.8		619.6		612.1
Earnings per share – basic	$	0.97	$	0.75	$	3.13	$	2.56
Earnings per share – diluted	$	0.96	$	0.74	$	3.10	$	2.54

(a)Incremental shares from stock options, restricted stock units, and performance share units are computed by the treasury stock method.

Schedule of anti-dulitive stock options, restricted stock units and performance share units [Table Text Block]

		Quarter Ended				Nine-Month Period Ended
In Millions	Feb. 28, 2021		Feb. 23, 2020		Feb. 28, 2021		Feb. 23, 2020
Anti-dilutive stock options, restricted stock units, and performance share units		4.8		10.5		3.4		10.4